package cn.itcast;

/*public class Son extends Father {
    public static void main(String[] args) {
        *//*Father father = new Father();
        //father.show2();
        //father.show3();
        father.show4();

        Son son = new Son();
        //son.show2();
        son.show3();        //只给子类使用
        son.show4();*//*
    }
}*/
